ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,131, issued on Feb. 17, was assigned to Actinium Consulting AG (Lindau, Germany).
"Method for automated surveying of hotel guests" was invented by Klaus Huettl (Hoerbranz, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for automated surveying of hotel guests uses a television device in the hotel room. The method is executed by an interface measurement circuit for detecting the connection of an external playback device and a video signal switch for switching the signal source to an external television device, a) wherein when the television device is switched on by an external remote control, an external minicomputer sends video data ...